fix "The function "mopa_bootstrap_navbar" does not exist"
fix "The function "mopa_bootstrap_navbar" does not exist"

Always load navbar twig extension since Twig always requires it.
So no new config parameters are required on basic installation

auipga/MopaBootstrapBundle,auipga/MopaBootstrapBundle,auipga/MopaBootstrapBundle,naitsirch/mopa-bootstrap-bundle,naitsirch/mopa-bootstrap-bundle